Fitness trackers

Independent reviews and expert buying guides to help you turn your personal best from an aspiration into a reality with the right fitness tracker.

View all 11 reviews

Fitness tracker help & advice

Impartial advice from Which? experts

A close-up of a person adjusting a smartwatch on their wrist, wearing a red shirt and a race bib.

Best fitness trackers 2025: tested and reviewed by experts

  • Fitness tracker with a rectangular screen displaying stats, including heart rate and steps, beside a "Don't Buy" label.

    Which? Don't Buy fitness trackers

  • A person in a bright orange athletic jacket is sitting on steps, interacting with a smartwatch on their wrist.

    Which fitness tracker brand is the most reliable?

  • Smiling woman with flowing hair, enjoying a sunny day, wearing a pink wristband and a striped shirt
    Best Fitbits 2025: choose the right Fitbit fitness tracker for you
  • A person in a bright orange athletic jacket is sitting on steps, interacting with a smartwatch on their wrist.
    Should I buy a fitness tracker or a smartwatch?
  • A person in a blue shirt uses one hand to stretch their leg while wearing a fitness tracker on the opposite wrist.
    How we test fitness trackers

Explore fitness trackers by brand

Fitness tracker reviews

When it comes to finding the best fitness trackers, we put in the maximum effort. If you want the details, see how we test fitness trackers to discover what we do in the test lab to find Best Buys.  

View all 11 reviews

Sign up to unlock reviews

Subscribe to unlock all of our expert reviews, discover Which? Best Buys and compare products.

Digital £8.99 per month, cancel any time.